Tuesday, April 03, 2007


So far so good

I put Tommelise back together Sunday and backtracked on the firmware to a point before a lot of the confusion began with control of the cartesian positioning system. I ran a bunch of cold extrusion exercises and finally decided that the gearmotors for this configuration were overshooting about 7 pulses. I hardwired that into the firmware and got 98% of the overshoots within a range of +/-1 pulse.

The square that I've printed is right at 30 mm on a side. I've got it scaled up with a pretty fast extrusion flow rate. It's easier to see what's going on that way.

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